==== Secondary Structure Definition by the program DSSP, updated CMBI version by ElmK / April 1,2000 ==== DATE=27-NOV-2009 . REFERENCE W. KABSCH AND C.SANDER, BIOPOLYMERS 22 (1983) 2577-2637 . HEADER RIBOSOME 16-MAR-00 1EMI . COMPND 2 MOLECULE: 16S RIBOSOMAL RNA; . SOURCE 2 ORGANISM_SCIENTIFIC: THERMUS THERMOPHILUS; . AUTHOR L.LANCASTER,G.M.CULVER,G.Z.YUSUPOVA,J.H.CATE,M.M.YUSPOV, .